Cooling device



FIG. 1 is a front view of an ornamental design for a cooling device in accordance with the present disclosure;

FIG. 2 is a rear view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is bottom view thereof;

FIG. 7 is a front right upper isometric view thereof;

FIG. 8 is a front left upper isometric view thereof;

FIG. 9 is a rear right upper isometric view thereof;

FIG. 10 is a rear left upper isometric view thereof;

FIG. 11 is a front right lower isometric view thereof; and

FIG. 12 is a front left lower isometric view thereof;

FIG. 13 is a front view of a third ornamental design for a cooling device in accordance with the present disclosure;

FIG. 14 is a rear view thereof;

FIG. 15 is a right-side view thereof;

FIG. 16 is a left-side view thereof;

FIG. 17 is a top view thereof;

FIG. 18 is bottom view thereof;

FIG. 19 is a front left upper isometric view thereof;

FIG. 20 is a rear right upper isometric view thereof;

FIG. 21 is a left front isometric view thereof;

FIG. 22 is a front right lower isometric view thereof;

FIG. 23 is a rear right lower isometric view thereof; and,

FIG. 24 is a rear left lower isometric view thereof. 

CLAIM The ornamental designs for a cooling device, as shown and described. 